/Engine/Source/Runtime/CoreUObject/Public/AssetRegistry/AssetData.h
static [FPackageCustomVersionsHandle](API\Runtime\CoreUObject\AssetRegistry\FPackageCustomVersionsHandle) FindOrAdd ( [TArray](API\Runtime\Core\Containers\TArray)< [FPackageCustomVersion](API\Runtime\CoreUObject\AssetRegistry\FPackageCustomVersion) > && InCustomVersions )